Battery Service; Check Mower Belts; Check Hydraulic System - Gravely Pro-Turn Z52 Operator's Manual

BATTERY SERVICE

WARNING: Battery posts,
terminals and related
accessories contain lead and
lead compounds, chemicals
known to the State of California
to cause cancer and
reproductive harm. Wash hands
after handling.
Remove Battery
1. Place unit in service position. See
Service Position on page 19.
2. Disconnect the negative cable and then
the positive cable from the battery.
See Figure 23.
3. Loosen hex nut securing right hold-down
bracket to frame.
4. Remove T bracket from lower slots in
hold-down brackets.
5. Remove battery.
1. T Bracket
2. Hold-Down Bracket
Figure 23
Clean Battery
1. Clean terminals and battery cable ends
with a wire brush.
2. Coat terminals with dielectric grease or
petroleum jelly.
1
Install Battery
1. Reinstall positive cable and then the
negative cable.
2. Insert T bracket through lower slots in
hold-down brackets.
3. Tighten hex nut securing right hold-down
bracket to frame.
4. Return seat to operating position
See Figure 24.
Charge Battery
Check battery with a voltmeter. If battery is
less than 11 volts, charge battery.
NOTICE: DO NOT fast charge. Charging at a
higher rate damages or destroys the battery.
ONLY use an automatic charger designed for
use with your battery.
NOTICE: Always follow information provided
on battery by battery manufacturer. Contact
battery manufacturer for detailed information
about charging.
1. Remove battery from unit. See Remove
Battery on page 23.
2. Place battery on bench or other well-
ventilated area.
3. Connect positive lead of charger to
2
positive battery terminal.
4. Connect negative lead of charger to
negative battery terminal.
5. Charge battery following battery
manufacturer's instructions.
6. Reinstall battery. See Install Battery on
page 23.
Jump Starting
Gravely does not recommend jump starting
your unit. Jump-starting can damage engine
and system components. Refer to engine
manual for details.

CHECK MOWER BELTS

Check belts for wear and replace as needed.

CHECK HYDRAULIC SYSTEM

Check Hydraulic Oil Level
1. Place unit in service position. See
Service Position on page 19.
2. Check oil level in expansion tanks. Oil
should reach the cold fill indicator mark.
See Figure 24.
EN - 23
CAUTION: DO NOT allow direct
metal contact across battery
posts.